This study report reviews four sets of interconnection procedures that regulators often consider when developing state and local procedures. As a framework for review, the report uses the grading criteria developed by the Network for New Energy Choices (NNEC) and used that organization’s review of state interconnection procedures.

Distributed generation is far more likely to be deployed if developers and utility customers can readily discern the costs of interconnection and the length of time for the interconnection approval process. While regulators have a challenging task in formulating interconnection procedures, the benefits of implementing procedures that function effectively are substantial.